leshanamorris2000 leshanamorris2000

01-10-2019
Mathematics

contestada

I'm looking to find the exact area of a circle with a diameter of 21 inches

Respuesta :

altenbm1 altenbm1

01-10-2019

Answer:

A=346.46

Step-by-step explanation:

Using the formulas

A=πr2

d=2r

Solving forA

A=1

4πd2=1

4·π·212≈346.36059

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